Document rules file.
Document rules file.

This commit documents the documentation generation for Armadillo by
briefly specifying the current method, along with the future plans
with respect to the Doxygen based documentation.

Signed-off-by: Kumar Appaiah <86dab34fa4a3bfa78eb518b2a50c6c0880047237@debian.org>

kumanna/armadillo-debian,kumanna/armadillo-debian,kumanna/armadillo-debian